Improved exceptions

Many exceptions got an improvement due to changed class or description or details it is providing.
Is not complete, needs to be done in patches in the regions, where it is needed, since some are just
swallowed.

Removed total usage of pure RuntimeExceptions to 0.

src/main/java/appeng/parts/p2p/PartP2PLiquids.java

@@ -117,7 +117,7 @@ public class PartP2PLiquids extends PartP2PTunnel<PartP2PLiquids> implements IFl
 		if( requestTotal <= 0 )
 		{
 			if( stack.pop() != this )
-				throw new RuntimeException( "Invalid Recursion detected." );
+				throw new IllegalStateException( "Invalid Recursion detected." );
 
 			return 0;
 		}
@@ -125,7 +125,7 @@ public class PartP2PLiquids extends PartP2PTunnel<PartP2PLiquids> implements IFl
 		if( !doFill )
 		{
 			if( stack.pop() != this )
-				throw new RuntimeException( "Invalid Recursion detected." );
+				throw new IllegalStateException( "Invalid Recursion detected." );
 
 			return Math.min( resource.amount, requestTotal );
 		}
@@ -154,7 +154,7 @@ public class PartP2PLiquids extends PartP2PTunnel<PartP2PLiquids> implements IFl
 		}
 
 		if( stack.pop() != this )
-			throw new RuntimeException( "Invalid Recursion detected." );
+			throw new IllegalStateException( "Invalid Recursion detected." );
 
 		return used;
 	}